人教版英语选修六Unit-3-A-healthy-LifeGrammar：The-use-of-课件

1、The use of “it” Unit 3 GrammarThe use of “it” Unit 3 Grammaz x x k人称代词it z x x k人称代词it e.g. The frog is not a warm-blood animal. Its a cold-blooded one. e.g. Its a sad thing. Just forget it.e.g.-whos that ? -Its me. Open the door ,please .( )代替前文提到的人/物/事情,在句中做主语或宾语.人I . 用作人称代词（物 ）（事情）e.g. The frog i

2、s not a warm-bl 非人称代词it It 用作非人称代词，常作主语，表示时间/天气/金钱/ 距离等。Its a long time since we met last time .（ ）Its a warm sunny afternoon.（ ）3. It is such a big money.( )4. Its five minutes walk .（ ） IIIt 用作非人称代词:weathertimemoneydistanceSomeone is ringing the doorbell. Go and see_ _ _ who it is It 用作非人称代词，常作主语，

3、表示时间/天气/金钱/ 静心自学 to do结构：It is/was + adj./n./eddoingclause-Its not a good habit to smoke.-It is no use / good arguing with him.-It is a pity that you didnt follow my advice.III.作形式主语, to do结构：It is/was + adj./n.It is difficult for me to do the job.1) It + is/was + adj. + It is veryclever ofyoutofini

4、sh it .这个adj.是描述某人的品质，性格。Of sb kind，nice, clever, polite, foolish etc. for sb to do sth.of sb to do sth.difficult，easy，important, dangerous，possible，impossible. etc for sbIt is difficult for me to do tOf sb or for sb It is dangerous _children to play with fire.forIt is kind _ the man to stop in time

5、.ofOf sb or for sb It is dangero运动是个好习惯(habit)It is a good habit to take exercise喝酒是不好的行为。（manner）It is bad manners to drink alcohol.2)It is/ was +n+ to do / that运动是个好习惯(habit)It is a good habIt is no use_(cry) over the spilt milk. What has done cant be undone. It is no use doing sth cryingIt is no

6、use_(cry) over 形式宾语it it 作为_,不定式、动名词或从句做真正宾语。结构：动词it宾语补足语真正宾语e.g. You must find it exciting working here. e.g. I think it a pity that you didnt try harder. IV.形式宾语z x x k形式宾语it 作为_,不定式、动名词或从句做真正宾to dodoingthat从句make it clear / known that非常清楚地表示make it possible for sb to do / that使做某事成为可能make it a ru

7、le to do / that使某事成为惯例think it+adj./n.consider findfeel believeto dodoingthat从句make it clear 1.我发现学英语非常有趣。I found it very interesting to study English.2.他非常清楚地表示他对那门学科不感兴趣。He made it clear that he was not interested in this subject.translation1.我发现学英语非常有趣。I found it very i3.我认为保护环境是我们的职责。 (think)（du

8、ty ）I think it our duty to protect the environment3.我认为保护环境是我们的职责。 (think)（duty IT 固定搭配 在一些固定用法中考查常见的固定用法有: make it 成功，安排在或定在某时间forget it 别提了，忘了它吧Dont mention it 别提了，表示不用谢It doesnt matter 没关系It(That) depends 视情况而定You guessed it 你猜着了Its hard to say 很难说 Its up to you to do sth.由你来决定做某事take it/things e

9、asy不要慌，别担心，沉住气在一些固定用法中考查常见的固定用法有: 激情互学 激情互学1. It is+强调部分+who/that+句子其他部分 It is not until + 被强调部分 + that . 该句型也是强调句型。主要用于强凋时间状语，译成汉语 “直到才”，可以说是not . until . 的强调形式。1. It is+强调部分+who/that+句子其他部分 E.g. I didnt realize she was a famous film star until she took off her dark glasses.= It was not until she t

10、ook off her dark glasses that I realized she was a famous film star. =Not until she took off her dark glasses did I realize she was a famous film star.(强调句)（倒装句） E.g. (强调句)（倒装句）2.It is the first /second time that +have done.It was the first /second time that +had done.3.It is + 段时间+since +过去时（did） i

11、t was +段时间+ since+ 过去完成时（had done)4.It be +段时间+before.之前有多长时间5.It is said/believed/reported/that 据说/认为/报道6.It is +具体时间+when (时间状语)7.It is time (about time/high time) that -should do /过去式 2.It is the first /second time这是中国首次参加全球气候会议。It is the first time that China has attended the global climate conf

12、erence . 这是中国首次参加全球气候会议。It is the first【即学即练】 since ; before ; when 填空1. Its a long time _ I met you last time. 2. It will be not long _ he finishes his job. 3. It was ten oclock _ he came back. sincebeforewhen【即学即练】 since ; before ; when 科比宣布退役It is 20 years since Kobe played basketball.It is said

13、that he has retired after this season.科比打篮球有20年了，据说他已经退役。科比宣布退役It is 20 years since Kob到我们采取措施保护环境的时候了。It is time that we should take measures to protect the environment from being polluted.到我们采取措施保护环境的时候了。It is time thaThe use of “It”1.It 用作人称代词: 2. It 用作非人称代词: 3.It 用作形式主语:形式宾语:4.It 的特殊句型：To sum up

14、 5. It 常用的固定搭配 The use of “It”1.It 用作人称代词:2. 1.众所周知，拥有健康的饮食习惯对我们的健康很重要。As we all know, Its important for us to have healthy eating habits . 2. 我们必须确保每天吃新鲜的蔬菜和水果，据报道，它们能给我们提供丰富的必要维生素。We must make it sure to eat fresh vegetables and fruits every day,Its reported that they provide rich and necessary vitamins for us. 3. 最好每天早晚喝一杯水，那不会花费太多的时间。We had better drink a glass of milk in the morning or at night. It wont take too much of our time. 。1.众所周知，拥有健康的饮食习惯对我们的健康很重要。 4.据说大部分的学生早上几乎什么都不吃这对我们的健康是有害的。I